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Summary: Ctors | Methods | Inherited Methods

# CaptioningManager.CaptioningChangeListener

`public static abstract class CaptioningManager.CaptioningChangeListener`
`extends Object` ``

java.lang.Object
↳ | android.view.accessibility.CaptioningManager.CaptioningChangeListener

Listener for changes in captioning properties, including enabled state and user style preferences.

## Summary

### Public constructors
`CaptioningChangeListener()`

### Public methods
`void` | `onEnabledChanged(boolean enabled)` Called when the captioning enabled state changes.
`void` | `onFontScaleChanged(float fontScale)` Called when the captioning font scaling factor changes.
`void` | `onLocaleChanged(Locale locale)` Called when the captioning locale changes.
`void` | `onUserStyleChanged(CaptioningManager.CaptionStyle userStyle)` Called when the captioning user style changes.

### Inherited methods
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

## Public constructors

### CaptioningChangeListener

    public CaptioningChangeListener ()

## Public methods

### onEnabledChanged

    public void onEnabledChanged (boolean enabled)

Called when the captioning enabled state changes.

Parameters
`enabled` | `boolean`: the user's new preferred captioning enabled state

### onFontScaleChanged

    public void onFontScaleChanged (float fontScale)

Called when the captioning font scaling factor changes.

Parameters
`fontScale` | `float`: the preferred font scaling factor

See also:

- `CaptioningManager.getFontScale()`

### onLocaleChanged

    public void onLocaleChanged (Locale locale)

Called when the captioning locale changes.

Parameters
`locale` | `Locale`: the preferred captioning locale, or `null` if not specified This value may be `null`.

See also:

- `CaptioningManager.getLocale()`

### onUserStyleChanged

    public void onUserStyleChanged (CaptioningManager.CaptionStyle userStyle)

Called when the captioning user style changes.

Parameters
`userStyle` | `CaptioningManager.CaptionStyle`: the user's new preferred style This value cannot be `null`.

See also:

- `CaptioningManager.getUserStyle()`

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